How big is the universe? In this video, we embark on a journey from our solar system to the edge of the observable cosmos.

The spiral galaxy M83 is captured face-on, providing a clear view of its full structure. Chandra's X-ray data reveals ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the red planet seemed to be ready to give up some of its mystery. Astronomers ...

Mars, often imagined as a lifeless desert battered by radiation and cold, holds within its crust the haunting memory of a once vibrant world. Billions of years ago, the Red Planet was nothing like we ...

Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future ...

On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In ...

An international team of scientists have provided an unprecedented tally of elemental sulfur spread between the stars using ...

My job was to view surface images of Mars and then map the sand ripples in the regions where Perseverance, the Mars rover, might land.